CN105500550A - Asphalt wet-process forming device and forming process - Google Patents
Asphalt wet-process forming device and forming process Download PDFInfo
- Publication number
- CN105500550A CN105500550A CN201511011259.7A CN201511011259A CN105500550A CN 105500550 A CN105500550 A CN 105500550A CN 201511011259 A CN201511011259 A CN 201511011259A CN 105500550 A CN105500550 A CN 105500550A
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- Prior art keywords
- tank
- forming
- hot water
- pitch
- water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
- B29B2009/168—Removing undesirable residual components, e.g. solvents, unreacted monomers; Degassing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The invention relates to an asphalt wet-process forming device and a forming process. The forming device comprises a forming plate, a forming tank, a dehydrating conveyor, a gas-water separator and a hot water tank, wherein liquid-state asphalt is dropwise added into the forming tank through small holes in the bottom of the forming plate, so that small drops are finally formed into pelletized products, and are discharged from the bottom of the forming tank; asphalt particles discharged from the bottom of the forming tank enter the dehydrating conveyor; most of water in the asphalt particles flows to a lower water collecting tank from holes of a conveying mesh belt, and is discharged to the hot water tank through a pipeline; water in the surfaces of the rest of the particles is pumped to the gas-water separator from a fan at the rear section of the dehydrating conveyor and a dehydrating air bellow, the separated water is collected to the hot water tank, and water in the hot water tank is pumped to the forming tank after being cooled by a heat exchanger. The asphalt wet-process forming device and the process have the advantages that the whole asphalt forming process flow is simple, equipment investment required by the process is relatively short, formed asphalt finished product spherical particles are uniform, moisture content is low, and the like.
Description
Technical field
The present invention relates to asphalt moulding technical field, be specifically related to a kind of pitch wet moulding device and moulding process thereof.
Background technology
The pitchy complex mixture that pitch is made up of hydrocarbon and the nonmetal derivative thereof of different molecular weight, be the one of high viscosity organic liquid, be in a liquid state, surface is in black, dissolving in carbon disulfide, is a kind of waterproof and dampproof and corrosion-resistant organic gel gel material.Pitch is mainly used in industry and the surfacings etc. such as coating, plastics, rubber.Asphalt industry upstream is petrochemical industry, coal and modifier and emulsifying agent, and downstream is highway, water-proof building material, airport construction and municipal works road construction etc.Nowadays China's asphalt industry has entered the Rapid development stage of scale, centralization, and the understanding of people to pitch is also more and more familiar, because the consumption of pitch is not only large, but also very extensive.Asphalt moulding process application is in asphalt recovery device, and its effect converts liquid bitumen to solid asphalt, so that following process, storage and transport.
Asphalt moulding method conventional both at home and abroad mostly at present is extruding-out process under water, extruding-out process basic procedure under water: heated bitumen enters pitch vat from Distallation systm, send into steam generator by asphalt delivery pump from pitch vat to cool, cooled liquid asphalt delivers to formation system by gear pump, under water liquid asphalt is made uniform shapes, be generally strip.Asphaltene after shaping drops on the steel mesh machine in cooling pond, and is transported in hopper through steel mesh machine.This forming machine technological process is complicated, and molding effect is undesirable, is shapingly generally strip, and occurs irregular particle shape, and degree of grinding is higher, and Workplace dust is large, and worker laboring environment is severe.Integral device cost is higher, and as the conveying steel mesh of forming machine critical piece, operation expense is also higher, brings no small cost pressure to the production and operation of enterprise.
Summary of the invention
The object of the invention is the deficiency for solving the problems of the technologies described above, there is provided a kind of pitch wet moulding device and moulding process thereof, the technological process of whole asphalt moulding is brief, and technique equipment needed thereby drops into less, the spherical uniform particles of pitch finished product after shaping, moisture content is low.
The present invention is for solving the problems of the technologies described above, the technical scheme provided is: a kind of pitch wet moulding device, comprise forming disk, shaping tank, dewatering conveyor, moisture trap and hot water storgae, described shaping tank is the tank body of open topped, the lower sides of shaping tank is provided with water inlet, the bottom of shaping tank is provided with shaping asphalt outlet, forming disk is arranged on the top of shaping tank, forming disk is that punctulate open-top receptacle is established in bottom, the bottom asphalt outlet of shaping tank is connected to dewatering conveyor, dewatering conveyor has can the transmission guipure of conveying bitumen particle, be arranged on the water leg transmitted below guipure and the blower fan being arranged on dewatering conveyor back segment and the bellows that dewater, described water leg is connected to hot water storgae by pipeline, air-water mixture is delivered to moisture trap for generation of negative pressure by blower fan and dehydration bellows, the discharge outlet of moisture trap is connected to hot water storgae by pipeline, hot water storgae is connected to the water inlet of shaping tank by heat exchanger.
Further optimization as a kind of pitch of the present invention wet moulding device: the outer wall of described forming disk and bottom are provided with heating steam coil pipe.
Further optimization as a kind of pitch of the present invention wet moulding device: described forming disk bottom even is distributed with the pore that diameter is 2mm-5mm.
Further optimization as a kind of pitch of the present invention wet moulding device: the top of described shaping tank is provided with overfall, and overfall is connected to hot water storgae by pipeline.
Further optimization as a kind of pitch of the present invention wet moulding device: the tank body of described shaping tank is provided with observation window and clean-up port.
Further optimization as a kind of pitch of the present invention wet moulding device: the water inlet of described hot water storgae is provided with Powdex filter.
A kind of pitch wet therapy forming process, be specially: the liquid bitumen that upstream pump is sent here is added dropwise in shaping tank by the aperture bottom forming disk, liquid bitumen is when forming disk flows down, form little tear drop finally become grain products and discharge from shaping pot bottom, the pitch particle of being discharged by shaping pot bottom enters in dewatering conveyor, in course of conveying, the most of moisture that pitch particle carries flow to the header tank of bottom from the eyelet transmitting guipure, then hot water storgae is drained into by pipeline, the moisture that remainder particulate surface is carried, moisture trap is evacuated to dehydration bellows by the blower fan of dewatering conveyor back segment, and the water of separation is collected and drains into hot water storgae, the pitch particle that dewatering conveyor exports is transferred to storage area, water in hot water storgae is after heat exchanger cooling water, shaping tank is pumped to as the recycled process water.
Further optimization as a kind of pitch of the present invention wet therapy forming process: the temperature of described forming disk interior liquid pitch remains on 260 DEG C-280 DEG C.
Further optimization as a kind of pitch of the present invention wet therapy forming process: the water in described hot water storgae, after heat exchanger is cooled to 40 DEG C-45 DEG C, is pumped to shaping tank.
Beneficial effect
The technological process that pitch wet moulding device of the present invention and technique have whole asphalt moulding is brief, technique equipment needed thereby drops into less, the spherical uniform particles of pitch finished product after shaping, the advantages such as moisture content is low, liquid bitumen by Cemented filling in forming disk, aperture bottom forming disk flows into and is full of in the shaping tank of cooling water, in shaping tank, cooling forming is solid asphalt particle, pitch particle is discharged to dewatering conveyor from shaping pot bottom through diversion outlet together with part cooling water, accumulating link is delivered to by feed opening again after being dehydrated by dewatering conveyor, the fresh water (FW) filtered and branch away is filtered in shaping tank top overflow and dewatering conveyor guipure, the undesirable granule of particle diameter is together with fresh water (FW), flow back to technique tank after being filtered by graded filter, be cooled to after proper temperature through heat exchanger and deliver in shaping tank again, form circulation, the dewatering type of dewatering conveyor is the dehydration of negative pressure exhausting, air-introduced machine is relied on to extract the negative pressure of guipure top periphery air generation, produce strong air flowing, the moisture removal that pitch particle is carried, air contained water enters in moisture trap and carries out gas-water separation, dry air after separation is discharged, and the dust-laden after separation gathers after water filtered by graded filter, enters technique tank and recycles.
Accompanying drawing explanation
Fig. 1 is the structural representation of pitch wet moulding device of the present invention;
Mark in figure: 1, forming disk, 2, shaping tank, 3, dewatering conveyor, 4, moisture trap, 5, hot water storgae, 6, Powdex filter, 7, heat exchanger.
Detailed description of the invention
As shown in the figure: a kind of pitch wet moulding device, comprise forming disk 1, shaping tank 2, dewatering conveyor 3, moisture trap 4 and hot water storgae 5, described shaping tank 2 is the tank body of open topped, the lower sides of shaping tank 2 is provided with water inlet, the bottom of shaping tank 2 is provided with shaping asphalt outlet, and forming disk 1 is arranged on the top of shaping tank 2, and the top of shaping tank 2 is provided with overfall, overfall is connected to hot water storgae 5 by pipeline, and the tank body of shaping tank 2 is provided with observation window and clean-up port.Forming disk 1 is provided with the open-top receptacle of pore (diameter is the pore of 2mm-5mm) for bottom, and the outer wall of forming disk 1 and bottom are provided with heating steam coil pipe (liquid bitumen temperature in it is remained between 260 DEG C ~ 280 DEG C).The bottom asphalt outlet of shaping tank 2 is connected to dewatering conveyor 3, dewatering conveyor 3 has can the transmission guipure of conveying bitumen particle, be arranged on the water leg transmitted below guipure and the blower fan being arranged on dewatering conveyor 3 back segment and the bellows that dewater, described water leg is connected to hot water storgae 5 by pipeline, air-water mixture is delivered to moisture trap 4 for generation of negative pressure by blower fan and dehydration bellows, the discharge outlet of moisture trap 4 is connected to hot water storgae 5 by pipeline, the water inlet of hot water storgae 5 is provided with Powdex filter 6, hot water storgae 5 is connected to the water inlet of shaping tank 2 by heat exchanger 7.
The technique of pitch wet moulding is carried out with former of the present invention, be specially: the liquid bitumen that upstream pump is sent here is added dropwise in shaping tank 2 (for coal tar pitch by the aperture bottom forming disk 1, the liquid bitumen come from pitch pipeline is delivered to forming disk 1, liquid bitumen feed-line all adopts steam jacket to be incubated, stagnate in pipeline to prevent liquid bitumen, pipeline arranges control valve, the uninterrupted of adjustable liquid pitch supplied materials), liquid bitumen is (temperature of forming disk 1 interior liquid pitch remains on 260 DEG C-280 DEG C) when forming disk 1 flows down, form little tear drop finally become grain products and discharge (shaping tank 2 bottom shaping tank 2, liquid bitumen a fluid stream is under gravity and capillary acting in conjunction, run into technical cooling water speed to shrink, form spherical granule), enter in dewatering conveyor 3 by the pitch particle of discharging bottom shaping tank 2, in course of conveying, the most of moisture that pitch particle carries flow to the header tank of bottom from the eyelet transmitting guipure, then hot water storgae 5 is drained into by pipeline, the moisture that remainder particulate surface is carried, moisture trap 4 is evacuated to dehydration bellows by the blower fan of dewatering conveyor 3 back segment, and the water of separation is collected and drains into hot water storgae 5, the pitch particle that dewatering conveyor 3 exports is transferred to storage area, water in hot water storgae 5 is (40 DEG C-45 DEG C) after heat exchanger 7 cooling water, shaping tank 2 is pumped to as the recycled process water.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, , in every case be do not depart from technical solution of the present invention content, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. a pitch wet moulding device, it is characterized in that: comprise forming disk (1), shaping tank (2), dewatering conveyor (3), moisture trap (4) and hot water storgae (5), the tank body that described shaping tank (2) is open topped, the lower sides of shaping tank (2) is provided with water inlet, (bottom of 2 is provided with shaping asphalt outlet to shaping tank, forming disk (1) is arranged on the top of shaping tank (2), forming disk (1) is for establishing punctulate open-top receptacle in bottom, the bottom asphalt outlet of shaping tank (2) is connected to dewatering conveyor (3), dewatering conveyor (3) has can the transmission guipure of conveying bitumen particle, be arranged on the water leg transmitted below guipure and the blower fan being arranged on dewatering conveyor (3) back segment and the bellows that dewater, described water leg is connected to hot water storgae (5) by pipeline, blower fan and dehydration bellows are delivered to moisture trap (4) for generation of negative pressure and by air-water mixture, the discharge outlet of moisture trap (4) is connected to hot water storgae (5) by pipeline, hot water storgae (5) is connected to the water inlet of shaping tank (2) by heat exchanger (7).
2. a kind of pitch wet moulding device as claimed in claim 1, is characterized in that: outer wall and the bottom of described forming disk (1) are provided with heating steam coil pipe.
3. a kind of pitch wet moulding device as claimed in claim 1, is characterized in that: described forming disk (1) bottom even is distributed with the pore that diameter is 2mm-5mm.
4. a kind of pitch wet moulding device as claimed in claim 1, is characterized in that: the top of described shaping tank (2) is provided with overfall, and overfall is connected to hot water storgae (5) by pipeline.
5. a kind of pitch wet moulding device as claimed in claim 1, is characterized in that: the tank body of described shaping tank (2) is provided with observation window and clean-up port.
6. a kind of pitch wet moulding device as claimed in claim 1, is characterized in that: the water inlet of described hot water storgae (5) is provided with Powdex filter (6).
7. a pitch wet therapy forming process, it is characterized in that: the liquid bitumen that upstream pump is sent here is added dropwise in shaping tank (2) by the aperture of forming disk (1) bottom, liquid bitumen is when forming disk (1) flows down, form little tear drop finally become grain products and discharge from shaping tank (2) bottom, the pitch particle of being discharged by shaping tank (2) bottom enters in dewatering conveyor (3), in course of conveying, the most of moisture that pitch particle carries flow to the header tank of bottom from the eyelet transmitting guipure, then hot water storgae (5) is drained into by pipeline, the moisture that remainder particulate surface is carried, moisture trap (4) is evacuated to dehydration bellows by the blower fan of dewatering conveyor (3) back segment, and the water of separation is collected and drains into hot water storgae (5), the pitch particle that dewatering conveyor (3) exports is transferred to storage area, water in hot water storgae (5) is after heat exchanger (7) cooling water, shaping tank (2) is pumped to as the recycled process water.
8. a kind of pitch wet therapy forming process as claimed in claim 7, is characterized in that: the temperature of described forming disk (1) interior liquid pitch remains on 260 DEG C-280 DEG C.
9. a kind of pitch wet therapy forming process as claimed in claim 7, is characterized in that: the water in described hot water storgae (5), after heat exchanger (7) is cooled to 40 DEG C-45 DEG C, is pumped to shaping tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011259.7A CN105500550B (en) | 2015-12-30 | 2015-12-30 | A kind of pitch wet moulding device and moulding process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011259.7A CN105500550B (en) | 2015-12-30 | 2015-12-30 | A kind of pitch wet moulding device and moulding process |
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| Publication Number | Publication Date |
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| CN105500550A true CN105500550A (en) | 2016-04-20 |
| CN105500550B CN105500550B (en) | 2017-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511011259.7A Active CN105500550B (en) | 2015-12-30 | 2015-12-30 | A kind of pitch wet moulding device and moulding process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106479550A (en) * | 2016-11-02 | 2017-03-08 | 洛阳涧光特种装备股份有限公司 | A kind of asphalt moulding device and process |
| CN115090184A (en) * | 2022-06-23 | 2022-09-23 | 西安川秦石油科技有限公司 | Oil-soluble fracturing temporary plugging agent production line and method |
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| CN101463260A (en) * | 2007-12-20 | 2009-06-24 | 宝山钢铁股份有限公司 | Asphalt moulding method and system apparatus thereof |
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| US20140130458A1 (en) * | 2009-06-22 | 2014-05-15 | Gala Industries, Inc. | Continuous pelletizing, drying and bagging systems with improved throughput |
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2015
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| CN106479550A (en) * | 2016-11-02 | 2017-03-08 | 洛阳涧光特种装备股份有限公司 | A kind of asphalt moulding device and process |
| CN115090184A (en) * | 2022-06-23 | 2022-09-23 | 西安川秦石油科技有限公司 | Oil-soluble fracturing temporary plugging agent production line and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105500550B (en) | 2017-10-10 |
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